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West Coast Haida Gwaii - northern half

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 20 August 2019

Today Tonight and Wednesday.

Gale warning in effect.

Wind northerly 10 to 20 knots increasing to south 30 to 40 early this morning then becoming northwest 30 to 35 this afternoon. Wind increasing to northwest 35 to 45 near midnight then diminishing to northwest 25 to 35 Wednesday morning. Wind becoming northwest 25 near noon Wednesday.

Rain ending early this evening. Visibility as low as 1 mile in rain.

Waves

Issued 04:00 AM PDT 20 August 2019
Today Tonight and Wednesday. Seas 2 to 3 metres building to 3 to 5 this afternoon then subsiding to 1 to 2 Wednesday afternoon.

Extended Forecast

Issued 04:00 AM PDT 20 August 2019
Thursday Wind light increasing to southeast 30 to 40 knots in the afternoon.
Friday Wind southeast 30 to 40 knots diminishing to southwest 20 to 30.
Saturday Wind west 15 to 20 knots.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

West Coast Haida Gwaii - northern half

Issued 04:00 AM PDT 20 August 2019

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PDT 20 August 2019 Today Tonight and Wednesday At 4:00 a.m. PDT today trough located over Haida Gwaii.
By 4:00 p.m. PDT today low located over northern BC interior.

At 4:00 a.m. PDT today weakening trough located over northern
Vancouver Island.
By 4:00 a.m. PDT today weakening trough located over central
BC interior.

At 5:00 p.m. PDT today building ridge located west of the offshore
waters.
By 5:00 p.m. PDT Wednesday ridge located on a line
northeast-southwest over the offshore waters.

At 4:00 a.m. PDT today ridge located on a line north-south over
Victoria.

Marine Weather Statement

Issued 3:39 AM PDT 20 August 2019 A trough of low pressure over Haida Gwaii will swing towards the
Northern BC Interior tonight. Gale to storm force southerlies ahead
of the trough will persist today for most of the offshore, northern
and central waters.

Another trough of low pressure currently offshore will approach
Northern Vancouver Island tonight. Ahead of the trough strong to
Gale force southeasterlies will develop over Southern Explorer, and
along West Vancouver Island tonight.

A ridge of high pressure will build in the wake of the troughs
spreading strong to gale force northerlies over Bowie and
The northern waters tonight. Strong to gale force northwesterlies
will develop over Explorer, and along West Vancouver Island on
Wednesday.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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